// Copyright (C) 2013 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es6id: 12.5.12.1
description: >
    "Logical Not" coercion operation on Symbols
features: [Symbol]
---*/
function Test() {
    var sym = Symbol();

    assert.sameValue(!sym, false, "`!sym` is `false`");
    assert.sameValue(!!sym, true, "`!!sym` is `true`");

    if (!sym) {
      throw new Test262Error("ToBoolean(Symbol) always returns `true`");
    } else if (sym) {
      assert(true, "`sym` evaluates to `true`");
    } else {
      throw new Test262Error("ToBoolean(Symbol) always returns `true`");
    }
}

// preheat
const NUMBER_OF_PREHEAT = 1;
for (let i = 0; i < NUMBER_OF_PREHEAT; i++) {
    Test();
}

ArkTools.jitCompileAsync(Test);
assert.sameValue(ArkTools.waitJitCompileFinish(Test), true, '[JIT] JIT disabled.');

// test
const NUMBER_OF_TEST = 1; // or 2
for (let i = 0; i < NUMBER_OF_PREHEAT; i++) {
    Test();
}
